Map ( underlying: Iterable [ A ] , f: A => B )

[+] val f : A => B

[+] val underlying : Iterable [ A ]

[+] def _1 : T1

[+] def _2 : T2

[+] def copy ( underlying: Iterable [ A ] , f: A => B ) : Map [ A, B ]

[+] def copy$default$1 : Iterable [ A ]

[+] def copy$default$2 : A => B

[+] def iterator : Iterator [ A ]

[+] override def knownLength : Int